Approximation of the Schwinger--Dyson and the Bethe--Salpeter Equations and Chiral Symmetry of QCD

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dc.creatorNaito, K.
dc.creatorOka, M.
dc.date1998-05-08
dc.date1998-05-09
dc.date.accessioned2026-07-07T11:09:47Z
dc.date.available2026-07-07T11:09:47Z
dc.descriptionThe Bethe--Salpeter equation for the pion in chiral symmetric models is studied with a special care to consistency with low-energy relations. We propose a reduction of the rainbow Schwinger--Dyson and the ladder Bethe--Salpeter equations with a dressed gluon propagator. We prove that the reduction preserves the Ward--Takahashi identity for the axial-vector current and the PCAC relation.
dc.description10 pages, LaTex
dc.identifierhttps://arxiv.org/abs/hep-ph/9805258
dc.identifierhttp://arxiv.org/abs/hep-ph/9805258
dc.identifierPhys.Rev.C59:542-545,1999
dc.identifierdoi:10.1103/PhysRevC.59.542
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/190588
dc.subjectHigh Energy Physics - Phenomenology
dc.titleApproximation of the Schwinger--Dyson and the Bethe--Salpeter Equations and Chiral Symmetry of QCD
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